On Sun, 15 Mar 2009 16:16:05 -0500 »Q« <[email protected]> wrote: > The problem is that if user A on machine X creates a file on the > drive, it has access permissions 644, which makes it impossible for > user B on machine Y to modify the file. (User A and user B are both > me, but with different UIDs on the different machines.)
You could use ACL as has been suggested; you could also just set the uids of the (same) user on these machines to the same thing. Using the same uid across boxes is a really good idea if you have users on each box anyway.

